LCM and HCF

Which number is a factor of 10

• 3

• 4

• 5

• 8

Tags

CCSS.4.OA.B.4

Find the HCF of 12 and 15 ?

• 2
• 2 x 3
• 3
• 60

Find the HCF of 40 and 60?

• 10
• 20
• 30
• None of the above

What is the LCM of 6 and 8 ?

• 12
• 18
• 24
• 36

Find the HCF of 30 and 36

• 2
• 3
• 4
• 6

Which answer lists all the factors for 40?

• 1,2,4,5,8,12,14,40

• 1,2,3,4,5,8,10

• 1,2,4,5,8,10,20,40

• 1,2,4,5,6,7,8,9,10

Tags

CCSS.4.OA.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Derek advises a patient to have a scale every 4 months and a polish every 6 months. If they have a scale and polish today, how long will they wait before they can have both during the same appointment?

• HCF

• LCM

There are two loaf cakes. One is 35cm long and one is 21cm long. They want to cut the cake up and sell the slices, but all the slices must be equal. What is the largest slices that they can cut them into?

• HCF

• LCM

Find the LCM of 8 and 24 ...

• 24

• 48

• 32

• 64